ProgramNode(0...16)(
  [],
  StatementsNode(0...16)(
    [RangeNode(0...5)(nil, IntegerNode(3...5)(), (0...3), 1),
     RangeNode(8...12)(
       nil,
       CallNode(11...12)(nil, nil, (11...12), nil, nil, nil, nil, 0, "a"),
       (8...11),
       1
     ),
     CallNode(15...16)(nil, nil, (15...16), nil, nil, nil, nil, 0, "c")]
  )
)
